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package admin;

import entity.Groups;
import entity.Role;
import entity.Users;
import facade.GroupsFacadeLocal;
import facade.RoleFacadeLocal;
import facade.UsersFacadeLocal;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Vector;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.annotation.HttpConstraint;
import javax.servlet.annotation.ServletSecurity;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Tatyana
 */
@ServletSecurity(@HttpConstraint(rolesAllowed={"Administrator"}))
public class AssignRole extends HttpServlet {

    @EJB
    private RoleFacadeLocal roleFacade;
    @EJB
    private UsersFacadeLocal usersFacade;


    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        Boolean temp = false;
        String selectedUsers = request.getParameter("users_for_group");
        String rolename = null;
        Integer id = Integer.parseInt(request.getParameter("idRole"));
        String[] users = selectedUsers.split("t");
        Vector<Users> usersList = new Vector<Users>();
        Role role = null;
        for (int i = 0; i < users.length; i++) {
            Users user = usersFacade.find(Integer.parseInt(users[i]));
            if (user != null) {
                usersList.add(user);
               // role = roleFacade.readByName(rolename);
                role = roleFacade.find(id);
                user.setRole(role);
                usersFacade.edit(user);
                temp = true;
            }
        }
        role.setUsersCollection(usersList);
        roleFacade.edit(role);
        response.getWriter().write(temp.toString());
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doPost(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// <
}
